Help me asap. a 50m long bar lacks 10mm to fit exactly between two fixed supports at 15 deg C. The modulus of elesticity is 230GPa and the coefficient of thermal expansion is 0.0000117/deg C. Find A. The normal stress if the temperature increased to 55 degree Celsius B. Calculate the height of the projectile from the ground after 15 seconds. C. What is the temperature if after thermal expansion, the stress in the bar is 50MPa D. What is the temperature if after thermal expansion, the bar exactly fits between the two supports? E. Calculate the total deformation of bar if at 55 degree C, the bar will exactly fit between the two fixed supports.
Help me asap. a 50m long bar lacks 10mm to fit exactly between two fixed supports at 15 deg C. The modulus of elesticity is 230GPa and the coefficient of thermal expansion is 0.0000117/deg C. Find A. The normal stress if the temperature increased to 55 degree Celsius B. Calculate the height of the projectile from the ground after 15 seconds. C. What is the temperature if after thermal expansion, the stress in the bar is 50MPa D. What is the temperature if after thermal expansion, the bar exactly fits between the two supports? E. Calculate the total deformation of bar if at 55 degree C, the bar will exactly fit between the two fixed supports.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Help me asap.
a 50m long bar lacks 10mm to fit exactly between two fixed supports at 15 deg C. The modulus of elesticity is 230GPa and the coefficient of thermal expansion is 0.0000117/deg C.
Find
A. The normal stress if the temperature increased to 55 degree Celsius
B. Calculate the height of the projectile from the ground after 15 seconds.
C. What is the temperature if after thermal expansion, the stress in the bar is 50MPa
D. What is the temperature if after thermal expansion, the bar exactly fits between the two supports?
E. Calculate the total deformation of bar if at 55 degree C, the bar will exactly fit between the two fixed supports.
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